%!PS-Adobe-2.0 EPSF-1.2
%%Pages: 1
%%BoundingBox: 0 -20 400 100
%%EndComments
%%BeginDocument: 

% compute size of diagram by adding
% #rows x 8.5
% (#rows -1) x 10
% \sum maxheight x 10
/nulllink () def                     % The symbol of a null link
/wordfontsize 22 def      % the size of the word font
/labelfontsize 18 def      % the size of the connector label font
/ex 20 def  % the horizontal radius of all the links
/ey 20 def  % the height of the level 0 links
/ed 20 def  % amount to add to this height per level
/radius 20 def % radius for rounded arcs
/row-spacing 20 def % the space between successive rows of the diagram

/gap wordfontsize .5 mul def  % the gap between words
/top-of-words wordfontsize .85 mul def
             % the delta y above where the text is written where
             % the major axis of the ellipse is located
/label-gap labelfontsize .1 mul def

/xwordfontsize 20 def      % the size of the word font
/xlabelfontsize 20 def      % the size of the connector label font
/xex 20 def  % the horizontal radius of all the links
/xey 20 def  % the height of the level 0 links
/xed 20 def  % amount to add to this height per level
/xradius 20 def % radius for rounded arcs
/xrow-spacing 20 def % the space between successive rows of the diagram
/xgap wordfontsize .5 mul def  % the gap between words

/centerpage 6.5 72 mul 2 div def
  % this number of points from the left margin is the center of page

/rightpage 6.5 72 mul def
  % number of points from the left margin is the right margin

/show-string-centered-dict 5 dict def

/show-string-centered {
  show-string-centered-dict begin
  /string exch def
  /ycenter exch def
  /xcenter exch def
  xcenter string stringwidth pop 2 div sub
  ycenter labelfontsize .3 mul sub
  moveto
  string show
  end
} def

/clear-word-box {
  show-string-centered-dict begin
  /string exch def
  /ycenter exch def
  /xcenter exch def
  newpath
  /urx string stringwidth pop 2 div def
  /ury labelfontsize .3 mul def
  xcenter urx sub ycenter ury sub moveto
  xcenter urx add ycenter ury sub lineto
  xcenter urx add ycenter ury add lineto
  xcenter urx sub ycenter ury add lineto
  closepath
  1 setgray fill
  0 setgray
  end
} def

/diagram-sentence-dict 20 dict def

/diagram-sentence-circle
{diagram-sentence-dict begin  
   /links exch def
   /words exch def
   /n words length def
   /Times-Roman findfont wordfontsize scalefont setfont
   /x 0 def
   /y 0 def

   /left-ends [x dup words {stringwidth pop add gap add dup}
	                     forall pop pop] def
   /right-ends [x words {stringwidth pop add dup gap add} forall pop]
def
   /centers [0 1 n 1 sub {/i exch def
		      left-ends i get
		      right-ends i get
		      add 2 div
		    } for ] def

   x y moveto
   words {show gap 0 rmoveto} forall

   .5 setlinewidth 

   links {dup 0 get /leftword exch def
          dup 1 get /rightword exch def
          dup 2 get /level exch def
          3 get /string exch def
          newpath
          string nulllink eq {[2] 1 setdash}{[] 0 setdash} ifelse
%          string nulllink eq {.8 setgray}{0 setgray} ifelse
          centers leftword get
	  y top-of-words add
          moveto
      
          centers rightword get
          centers leftword get
          sub 2  div dup
          radius 
          lt {/radiusx exch def}{pop /radiusx radius def} ifelse
  
          
 
          centers leftword get
	  y top-of-words add ey ed level mul add add
          centers rightword get
	  y top-of-words add ey ed level mul add add
	  radiusx
          arcto
          4 {pop} repeat
	  centers rightword get
          y top-of-words add ey ed level mul add add
	  centers rightword get
	  y top-of-words add
	  radiusx
	  arcto
          4 {pop} repeat
	  centers rightword get
	  y top-of-words add
	  lineto

	  stroke

          /radius-y    ey ed level mul add	  def

	  /center-arc-x
	     centers leftword get centers rightword get add 2 div
	  def
	  
          /center-arc-y
             y top-of-words radius-y add add
	  def

          /Courier-Bold findfont labelfontsize scalefont setfont 
	  center-arc-x center-arc-y string clear-word-box
	  center-arc-x center-arc-y string show-string-centered
          } forall
	  end
  } def

/diagramdict 20 dict def

/diagram
{diagramdict begin
   /break-words exch def
   /links exch def
   /words exch def
   /n words length def
   /n-rows break-words length def
   /Times-Roman findfont wordfontsize scalefont setfont

   /left-ends [0 dup words {stringwidth pop add gap add dup}
	                     forall pop pop] def
   /right-ends [0 words {stringwidth pop add dup gap add} forall pop]
def

   /lwindows [ break-words {left-ends exch get gap 2 div sub } forall ]
def
   /rwindows [1 1 n-rows 1 sub {/i exch def
		      lwindows i get } for
	              right-ends n 1 sub get gap 2 div add
	      ] def


    /max 0 def
    0 1 links length 1 sub {
	/i exch def
	/t links i get 2 get def
	t max gt {/max t def} if
      } for

    /max-height ed max mul ey add top-of-words add row-spacing add def
    /total-height n-rows max-height mul row-spacing sub def

    /max-width 0 def            % compute the widest window
    0 1 n-rows 1 sub {
        /i exch def
        /t rwindows i get lwindows i get sub def
        t max-width gt {/max-width t def} if
      } for

    centerpage max-width 2 div sub 0 translate  % centers it
   % rightpage max-width sub 0 translate      % right justified
                        % Delete both of these to make it left justified

   n-rows 1 sub -1 0
     {/i exch def
	gsave
	newpath
        %/centering centerpage rwindows i get lwindows i get sub 2 div
        %sub def
               % this line causes each row to be centered
        /centering 0 def
               % set centering to 0 to prevent centering of each row 

	centering -100 moveto  % -100 because some letters go below zero
        centering max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       -100 lineto
	closepath
        clip
	lwindows i get neg n-rows i sub 1 sub max-height mul translate
        centerpage centering 0 translate
        words links diagram-sentence-circle
	grestore
     } for
     end
} def 

/diagramx
{diagramdict begin
   /break-words exch def
   /links exch def
   /words exch def
   /n words length def
   /n-rows break-words length def
   /Times-Roman findfont xwordfontsize scalefont setfont

   /left-ends [0 dup words {stringwidth pop add gap add dup}
	                     forall pop pop] def
   /right-ends [0 words {stringwidth pop add dup gap add} forall pop]
def

   /lwindows [ break-words {left-ends exch get gap 2 div sub } forall ]
def
   /rwindows [1 1 n-rows 1 sub {/i exch def
		      lwindows i get } for
	              right-ends n 1 sub get xgap 2 div add
	      ] def


    /max 0 def
    0 1 links length 1 sub {
	/i exch def
	/t links i get 2 get def
	t max gt {/max t def} if
      } for

    /max-height xed max mul xey add top-of-words add xrow-spacing add
def
    /total-height n-rows max-height mul xrow-spacing sub def

    /max-width 0 def            % compute the widest window
    0 1 n-rows 1 sub {
        /i exch def
        /t rwindows i get lwindows i get sub def
        t max-width gt {/max-width t def} if
      } for

    centerpage max-width 2 div sub 0 translate  % centers it
   % rightpage max-width sub 0 translate      % right justified
                        % Delete both of these to make it left justified

   n-rows 1 sub -1 0
     {/i exch def
	gsave
	newpath
        %/centering centerpage rwindows i get lwindows i get sub 2 div
        %sub def
               % this line causes each row to be centered
        /centering 0 def
               % set centering to 0 to prevent centering of each row 

	centering -100 moveto  % -100 because some letters go below zero
        centering max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       -100 lineto
	closepath
        clip
	lwindows i get neg n-rows i sub 1 sub max-height mul translate
        centerpage centering 0 translate
        words links diagram-sentence-circle
	grestore
     } for
     end
} def 

/ldiagram
{diagramdict begin
   /break-words exch def
   /links exch def
   /words exch def
   /n words length def
   /n-rows break-words length def
   /Times-Roman findfont wordfontsize scalefont setfont

   /left-ends [0 dup words {stringwidth pop add gap add dup}
	                     forall pop pop] def
   /right-ends [0 words {stringwidth pop add dup gap add} forall pop]
def

   /lwindows [ break-words {left-ends exch get gap 2 div sub } forall ]
def
   /rwindows [1 1 n-rows 1 sub {/i exch def
		      lwindows i get } for
	              right-ends n 1 sub get gap 2 div add
	      ] def


    /max 0 def
    0 1 links length 1 sub {
	/i exch def
	/t links i get 2 get def
	t max gt {/max t def} if
      } for

    /max-height ed max mul ey add top-of-words add row-spacing add def
    /total-height n-rows max-height mul row-spacing sub def

    /max-width 0 def            % compute the widest window
    0 1 n-rows 1 sub {
        /i exch def
        /t rwindows i get lwindows i get sub def
        t max-width gt {/max-width t def} if
      } for

   % centerpage max-width 2 div sub 0 translate  % centers it
   % rightpage max-width sub 0 translate      % right justified
                        % Delete both of these to make it left justified

   n-rows 1 sub -1 0
     {/i exch def
	gsave
	newpath
        %/centering centerpage rwindows i get lwindows i get sub 2 div
        %sub def
               % this line causes each row to be centered
        /centering 0 def
               % set centering to 0 to prevent centering of each row 

	centering -100 moveto  % -100 because some letters go below zero
        centering max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       max-height n-rows mul lineto
        rwindows i get lwindows i get sub centering add
                       -100 lineto
	closepath
        clip
	lwindows i get neg n-rows i sub 1 sub max-height mul translate
        centerpage centering 0 translate
        words links diagram-sentence-circle
	grestore
     } for
     end
} def 
[(LEFT-WALL)(look.v)(to.r)(the)(left.n)]
[[0 1 0 (Wi)][1 2 0 (MVp)][2 4 1 (Js)][3 4 0 (Ds**c)]]
[0]
diagram

%%EndDocument
